I saw these marks on some of my rock, I cannot blow them off. My CuC consists of some blue leg hermits, Trochus, Astrea, Nerite, and Cerith snails. And yes, there is a vermitid snail, which I will remove! Thank you.
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Can you put an arrow/s - where you're concerned?I saw these marks on some of my rock, I cannot blow them off. My CuC consists of some blue leg hermits, Trochus, Astrea, Nerite, and Cerith snails. And yes, there is a vermitid snail, which I will remove! Thank you.
I also have this organism growing in the cryptic regions of my tank:
I am not sure if it is a sponge or not, though it really is something I would not be worried about and definitely never restart a tank over (from all that I have seen, sponges rarely become an issue, and I accept them as a part of a healthy tank ecosystem). This stuff has a pretty weak composition and lies low, so I would expect most grazing invertebrates to be capable of consuming this stuff (though I have never actually seen this happen).